zct.dk
Last scanned: 2026-07-24 21:39:33  ·  16783ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   80ms
🌍 A Records1 records   80ms
📧 MX Records1 records   77ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover94.231.107.206
🔶 Autoconfig94.231.107.206
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   303ms
TXT Record
google-site-verification=BKCuUtXmuGZcULLfE3E8Rt9PtQ1WWRnQc0r8tRidFns
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (zct.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.zct.dk)
p=none (monitor only) v=DMARC1; p=none; fo=1; rua=mailto:webmaster@zct.dk
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE2 records   56ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
🔐 DNSSEC170ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA65ms
FieldValue
Serial2026032500
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
80ms
A
80ms
MX
77ms
AAAA
96ms
TXT
303ms
CAA
88ms
HTTPS
92ms
TLSA
56ms
SOA
65ms
MTA-STS
61ms
DNSSEC
170ms
SRV
126ms
Total
16783ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-24 21:39:33 16783ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-20 03:33:02 807ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:40:36 1680ms 4 NS 1 A 1 MX 🔒 Secure View
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